kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 30355 Comm: syz-executor.3 Not tainted 4.14.174-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888059358300 task.stack: ffff888056800000
RIP: 0010:fbcon_cursor+0x10e/0x690 drivers/video/fbdev/core/fbcon.c:1325
RSP: 0018:ffff888056807948 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88821920d280 RCX: ffffc9001304f000
RDX: 0000000000000002 RSI: ffffffff83191379 RDI: ffff88805ac195e0
RBP: ffff88805ac19240 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88821920d357 R12: ffff8880a5b22c40
R13: 0000000000000002 R14: 0000000000000010 R15: ffff8880a5b230b0
FS:  00007fc0bcdbf700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000076c000 CR3: 00000000a07e7000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hide_cursor+0x96/0x2d0 drivers/tty/vt/vt.c:589
 redraw_screen+0x2a1/0x770 drivers/tty/vt/vt.c:679
 vc_do_resize+0xbf8/0xe10 drivers/tty/vt/vt.c:954
 vt_ioctl+0x1a08/0x1f00 drivers/tty/vt/vt_ioctl.c:891
 tty_ioctl+0x6c5/0x1220 drivers/tty/tty_io.c:2661
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c849
RSP: 002b:00007fc0bcdbec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc0bcdbf6d4 RCX: 000000000045c849
RDX: 0000000020000100 RSI: 000000000000560a RDI: 0000000000000006
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000066a R14: 00000000004c93e6 R15: 000000000076bf0c
Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 43 05 00 00 4c 8b b5 a0 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 
RIP: fbcon_cursor+0x10e/0x690 drivers/video/fbdev/core/fbcon.c:1325 RSP: ffff888056807948
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#2] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 30355 Comm: syz-executor.3 Not tainted 4.14.174-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888059358300 task.stack: ffff888056800000
RIP: 0010:fbcon_cursor+0x10e/0x690 drivers/video/fbdev/core/fbcon.c:1325
RSP: 0018:ffff888056807648 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: ffff88821920d280 RCX: ffffc9001304f000
RDX: 0000000000000002 RSI: ffffffff83191379 RDI: ffff88805ac195e0
RBP: ffff88805ac19240 R08: ffff888059358300 R09: dffffc0000000000
R10: fffffbfff14b0dd6 R11: 0000000000000000 R12: ffff8880a5b22c40
R13: 0000000000000001 R14: 0000000000000010 R15: ffff8880a5b230b0
FS:  00007fc0bcdbf700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000076c000 CR3: 00000000a07e7000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 fbcon_blank+0x940/0xd60 drivers/video/fbdev/core/fbcon.c:2361
 do_unblank_screen drivers/tty/vt/vt.c:3907 [inline]
 do_unblank_screen+0x1fd/0x4f0 drivers/tty/vt/vt.c:3874
 bust_spinlocks+0x52/0xc0
 oops_end+0x2b/0xd0 arch/x86/kernel/dumpstack.c:281
 general_protection+0x25/0x50 arch/x86/entry/entry_64.S:1121
RIP: 0010:fbcon_cursor+0x10e/0x690 drivers/video/fbdev/core/fbcon.c:1325
RSP: 0018:ffff888056807948 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88821920d280 RCX: ffffc9001304f000
RDX: 0000000000000002 RSI: ffffffff83191379 RDI: ffff88805ac195e0
RBP: ffff88805ac19240 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88821920d357 R12: ffff8880a5b22c40
R13: 0000000000000002 R14: 0000000000000010 R15: ffff8880a5b230b0
 hide_cursor+0x96/0x2d0 drivers/tty/vt/vt.c:589
 redraw_screen+0x2a1/0x770 drivers/tty/vt/vt.c:679
 vc_do_resize+0xbf8/0xe10 drivers/tty/vt/vt.c:954
 vt_ioctl+0x1a08/0x1f00 drivers/tty/vt/vt_ioctl.c:891
 tty_ioctl+0x6c5/0x1220 drivers/tty/tty_io.c:2661
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c849
RSP: 002b:00007fc0bcdbec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc0bcdbf6d4 RCX: 000000000045c849
RDX: 0000000020000100 RSI: 000000000000560a RDI: 0000000000000006
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000066a R14: 00000000004c93e6 R15: 000000000076bf0c
Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 43 05 00 00 4c 8b b5 a0 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 
RIP: fbcon_cursor+0x10e/0x690 drivers/video/fbdev/core/fbcon.c:1325 RSP: ffff888056807648
---[ end trace 27a6476593abd60c ]---